Posts
Elon Musk
@elonmusk · Sep 24, 2019
Replying to @flcnhvy
Many powerful electric motors & batteries. Force required is enormous, as entire fin moves. More about this on the 28th.
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Everyday Astronaut
@Erdayastronaut · Sep 24, 2019
Here’s how #starship controls pitch, roll and yaw (in that order in this clip) using just 4 total flaps. This is a unique form of control. I don’t know of any vehicle that does this with its control surfaces perpendicular to the airstream. Cool stuff @elonmusk. Full vid tomorrow!
Elon Musk
@elonmusk · Sep 24, 2019
That’s correct. Essentially controlled falling, like a skydiver.
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Bloomberg Opinion
@opinion · Sep 24, 2019
Herbert Diess only joined Volkswagen two months before its diesel scandal erupted. That's terrible timing bloom.bg/2mmoVmh
Elon Musk
@elonmusk · Sep 24, 2019
Herbert Diess is doing more than any big carmaker to go electric. The good of the world should come first. For what it’s worth, he has my support.
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Evelyn Janeidy
@JaneidyEve · Sep 24, 2019
@elonmusk I did email your media team but they haven't replied in days.
Evelyn Janeidy@JaneidyEve· Sep 24, 2019@elonmusk deadline to RSVP for the presentation is tomorrow
@austinbarnard45 & Me
have not received a Invitation RSVP link
worried..the application sent to us was not for guests invited by you
its a application for Media-which said didn't guarantee a spot at the presentation :(
Elon Musk
@elonmusk · Sep 24, 2019
Just sent a note to check
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Elon Musk
@elonmusk · Sep 24, 2019
Some secrets are too dangerous to be free
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The Onion
@TheOnion · Sep 23, 2019
Mr. Autumn Man Walking Down Street With Cup Of Coffee, Wearing Sweater Over Plaid Collared Shirt trib.al/C39KVzb
Elon Musk
@elonmusk · Sep 24, 2019
“Between the trees and the forest floor, it’s like a giant mural,” continued the veritable High Priest of the Harvest Season, adding that he would soon have to rake his driveway, an activity for which he will most certainly don a cashmere scarf.
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Elon Musk
@elonmusk · Sep 23, 2019
Replying to @Mich41V4294
Hoping to open in Slovakia, Croatia, Serbia & most of Eastern Europe early next year. Finally, we will do Nikola Tesla proud by having his cars in his countries of origin!
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322 KW peak EV power!
@NerdHerdTV_com · Sep 23, 2019
@elonmusk, can you let us know when @Tesla surpasses 15 billion miles driven?
Elon Musk
@elonmusk · Sep 23, 2019
OG Roadster is def helping us out here with 826M miles by itself
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Elon Musk
@elonmusk · Sep 23, 2019
Replying to @flcnhvy
Ahem … well … um …
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Earl of FrunkPuppy
@28delayslater · Sep 23, 2019
@elonmusk and @karpathy does the #Autopilot And #FSD team have a plan for this? 😆
Elon Musk
@elonmusk · Sep 23, 2019
Classified as a URO, unidentified road object (from Area 69)
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K10✨
@Kristennetten · Sep 23, 2019
Alloy from your foundry?
Elon Musk
@elonmusk · Sep 23, 2019
SpaceX Foundry is used exclusively for advanced alloys/shapes for Raptor, incl our superalloy, SX500
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Elon Musk
@elonmusk · Sep 23, 2019
Just leaving SpaceX Starship build site in Boca
Elon Musk
@elonmusk · Sep 23, 2019
Bottom half of Starship at night. Top half with forward fins & header tanks probably stacks on Wednesday. Three Raptors already installed.
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Elon Musk
@elonmusk · Sep 23, 2019
Just leaving SpaceX Starship build site in Boca
Elon Musk
@elonmusk · Sep 23, 2019
Raceway & flap hinge aero covers
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Elon Musk
@elonmusk · Sep 23, 2019
Just leaving SpaceX Starship build site in Boca
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Everyday Astronaut
@Erdayastronaut · Sep 22, 2019
That will be the most epic thing to see happen!! Good thing you have all that practice and engineering time with the F9 do flip manuevers, atmospheric entry, and landing burns. All that knowledge will sure come in handy!
Elon Musk
@elonmusk · Sep 22, 2019
Super Heavy rocket will be much like Falcon 9, but the Ship is a strange combination of Dragon, F9 & a skydiver.
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happychappy
@happych19952208 · Sep 22, 2019
I think Porsche has cornered itself by announcing a time a Nuremberg, Tesla jumped for the challenge, now Porsche will have to push the car to the limit, beating their entire thermal lineup in the process and ruining their own IC market at the same time. Brilliant
Elon Musk
@elonmusk · Sep 22, 2019
😉
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Captain Crutch
@CptnCrutch5373 · Sep 22, 2019
Could they not just shove the bottom fin back, shove the top fins forward, and wait until it’s the right way around, then fire the engines and move the fins back flat... seems logical to me...
Elon Musk
@elonmusk · Sep 22, 2019
Approximately correct. We also fire the ACS thrusters to rotate the vehicle & ignite Raptors at full gimbal angle to complete the turn.
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Kalzsom
@Kalzsom · Sep 22, 2019
Does this modification of the rear fin setup affect the fore (or top) fins or will they stay the same?
Elon Musk
@elonmusk · Sep 22, 2019
For aero control, it comes down to % of cross-sectional area moving vs not. Flexible as to whether front or rear, so long as within bounds of center of mass & pressure.
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Elon Musk
@elonmusk · Sep 22, 2019
Stability is controlled by (very) rapid movement of rear & fwd fins during entry & landing, as well as ACS thrusters. The smaller leeward “fin” would simply be used as a leg.
Elon Musk
@elonmusk · Sep 22, 2019
Current analysis, which I’m not fully bought into, suggests that 2 rear fins with separate airframe-mounted legs will be lighter, so this is the plan for Mk1/Mk2
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Everyday Astronaut
@Erdayastronaut · Sep 22, 2019
When doing the final landing tail first with three huge landing legs / fins in the front of the airstream wouldn't have been unstable? IS KERBAL LYING TO ME?!?!? 🤓😂
Elon Musk
@elonmusk · Sep 22, 2019
Stability is controlled by (very) rapid movement of rear & fwd fins during entry & landing, as well as ACS thrusters. The smaller leeward “fin” would simply be used as a leg.
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